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Bottom-up and top-down control of dispersal across major organismal groups

Tijdschriftbijdrage - Tijdschriftartikel

Ecology and evolution unfold in spatially structured communities, where dispersal links dynamics across scales. Because dispersal is multicausal, identifying general drivers remains challenging. In a coordinated distributed experiment spanning organisms from protozoa to vertebrates, we tested whether two fundamental determinants of local dynamics, top-down and bottom-up control, generally explain active dispersal. We show that both factors consistently increased emigration rates and use metacommunity modelling to highlight consequences on local and regional dynamics.
Tijdschrift: Nature Ecology and Evolution
Issue: 12
Volume: 2
Pagina's: 1859 - 1863
Jaar van publicatie:2018